Try reducing parallel

Signed-off-by: Anuraag Agrawal <[email protected]>

Author: anuraaga

conformance/test/test_server.py

@@ -54,6 +54,8 @@ def test_server_sync(server: str) -> None:
             "--mode",
             "server",
             *opts,
+            "--parallel",
+            "1",
             "--",
             *args,
         ],
@@ -85,6 +87,8 @@ def test_server_async(server: str) -> None:
             "--mode",
             "server",
             *opts,
+            "--parallel",
+            "1",
             "--",
             *args,
         ],